Raglan is a rural town and locality in the Gladstone Region, Queensland, Australia. In the 2021 census, the locality of Raglan had a population …Raglan is a rural town and locality in the Gladstone Region, Queensland, Australia. In the 2021 census, the locality of Raglan had a population of 143 people. Raglan is located on Raglan Creek, part of the Casuarina Creek drainage system that empties into Keppel Bay.